#C69BD6

CSS

:root {
  --somewhere-in-a-fairytale: #c69bd6;
  --somewhere-in-a-fairytale-rgb: 198 155 214;
  --somewhere-in-a-fairytale-oklch: oklch(0.749 0.095 316.7);
}

.element {
  color: var(--somewhere-in-a-fairytale);
  background-color: hsl(284 42% 72%);
  border-color: oklch(0.749 0.095 316.7);
}

Tailwind CSS v4

@theme {
  --color-somewhere-in-a-fairytale: #c69bd6;
  --color-somewhere-in-a-fairytale-50: #ffedff;
  --color-somewhere-in-a-fairytale-100: #f6defd;
  --color-somewhere-in-a-fairytale-200: #e6c8ef;
  --color-somewhere-in-a-fairytale-300: #cda8d7;
  --color-somewhere-in-a-fairytale-400: #b58dc4;
  --color-somewhere-in-a-fairytale-500: #9f72b0;
  --color-somewhere-in-a-fairytale-600: #876095;
  --color-somewhere-in-a-fairytale-700: #6c4d77;
  --color-somewhere-in-a-fairytale-800: #4f3859;
  --color-somewhere-in-a-fairytale-900: #37263e;
  --color-somewhere-in-a-fairytale-950: #221528;
}

SCSS

$somewhere-in-a-fairytale: #c69bd6;
$somewhere-in-a-fairytale-rgb: 198, 155, 214;
$somewhere-in-a-fairytale-light: mix(#fff, $somewhere-in-a-fairytale, 20%);
$somewhere-in-a-fairytale-dark: mix(#000, $somewhere-in-a-fairytale, 20%);

.element {
  color: $somewhere-in-a-fairytale;
  box-shadow: 0 0 0 2px rgba($somewhere-in-a-fairytale, 0.35);
}